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| 01:41.14 | kolnstyle_ | about how much time it would take to rotate by 45 degrees and scale by a factor of 2 a 500x500px image while using biquintic interpolation? |
| 01:41.21 | kolnstyle_ | a rough estimate is fine |
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| 02:02.49 | andrecastelo | hey brlcad - is it ok to use bu_bomb() in the center point calculations, in the case of an empty list? |
| 02:04.11 | yukonbob | afternoon, cadheads |
| 02:19.11 | starseeker | 's eyebrows go up as he reads the RBGui readme file - so far they only have windows build logic?? ugh |
| 02:22.56 | andrecastelo | good evening yukonbob |
| 02:24.37 | starseeker | is beginning to understand properly why brlcad thought there weren't any really great options... |
| 02:37.53 | andrecastelo | how can i initialize a bu_list will null? head->l = BU_LIST_NULL; ??? |
| 02:56.44 | brlcad | andrecastelo: center point calculations? |
| 02:57.21 | andrecastelo | brlcad: yep, i'm BUnitizing the rtarea patch |
| 02:57.39 | brlcad | bu_bomb should be used for exceptional failures -- usually either code that really should *never* be reached, or situations where continuing very well may put users data at risk (e.g. detected corruption) |
| 02:58.11 | andrecastelo | hm ok then.. the function returns zero if any trouble arises |
| 02:58.32 | andrecastelo | but my problem right now is initializing the point lits |
| 02:58.36 | andrecastelo | s/lits/lists |
| 02:58.45 | brlcad | if there's no way to reasonably continue the application, but it's not critical, you could call bu_exit |
| 02:59.07 | brlcad | bu_bomb would be cases where you might actually want a stack trace to know just how the f*ck you got to that point in the code |
| 02:59.54 | andrecastelo | you're right, that won't be needed here.. and i think even in the mlt stuff it won't be that serious |
| 03:00.58 | andrecastelo | i'll paste you my problem, just a sec |
| 03:02.46 | andrecastelo | here - http://rafb.net/p/Nmgo0C33.html |
| 03:03.13 | andrecastelo | my doubt is - how do i set up a bu_list? |
| 03:04.21 | andrecastelo | i've made the appropriate changes in other sections, where the list is iterated through and stuff and also used vector macros to handle points (is that ok?) |
| 03:06.42 | brlcad | of course, using existing libraries is always a good thing |
| 03:08.26 | brlcad | andrecastelo: did you read the header block for bu_list in include/bu.h ? |
| 03:09.05 | andrecastelo | yes, i even implemented a bu_list type in a separate program, just to test and become familiar with the list |
| 03:10.35 | brlcad | that's good |
| 03:11.47 | andrecastelo | what am i missing? |
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| 03:25.57 | CIA-21 | BRL-CAD: 03brlcad * r31337 10/brlcad/trunk/include/bu.h: include a simple example of one way to use a bu_list |
| 03:27.16 | brlcad | andrecastelo: that line is a problem because you're trying to set a structure type to an integer scalar type |
| 03:28.16 | andrecastelo | yeah, i know, i was trying to find a way to initialize the lists involving BU_LIST_NULL (because later on i use BU_LIST_UNINITIALIZED to check if it's ready) |
| 03:28.17 | brlcad | you wouldn't try to do this for example: struct area foo = 0; ... you'd only do that with a pointer, struct area *foo = 0; |
| 03:28.56 | brlcad | see the example I just added to bu.h, see if that helps |
| 03:30.12 | andrecastelo | hm ok, will do |
| 03:30.26 | andrecastelo | is the point list structure correct? |
| 03:30.28 | brlcad | to use BU_LIST_NULL, you'd actually normally do something like set your hit_points = BU_LIST_NULL |
| 03:30.39 | brlcad | until you allocate it of course |
| 03:31.04 | brlcad | sure, looks fine |
| 03:34.36 | andrecastelo | thanks, will check |
| 03:35.42 | starseeker | Hmm - http://ogre4j.sourceforge.net/ |
| 03:35.49 | starseeker | That could be useful |
| 03:36.24 | brlcad | heh |
| 03:36.40 | starseeker | if a certain project ever reaches such a stage... |
| 03:38.19 | brlcad | possibly |
| 03:38.29 | brlcad | so you doing anything more with oed/ |
| 03:38.45 | brlcad | the html dump that is |
| 03:38.52 | brlcad | or just playing around |
| 03:38.59 | starseeker | Just playing around, so far |
| 03:39.03 | brlcad | k |
| 03:39.05 | starseeker | testing the xhtml output |
| 03:39.43 | starseeker | indicently, how do I spot the friggin unicode character if it only shows up when served from bz? |
| 03:39.47 | brlcad | who was it that was trying to import the infobox wikipedia template ? |
| 03:40.15 | brlcad | would be good if someone figured out what needs to happen for that to work, would be really useful for documentation |
| 03:43.16 | starseeker | googles infobox... |
| 03:43.22 | brlcad | you can see the unicode character in emacs |
| 03:43.34 | brlcad | (as ?? in text mode or c2a0 in hexl-mode) |
| 03:43.45 | brlcad | it's a no-break space character |
| 03:45.57 | starseeker | should actually figure out how to get xsltproc not to generate it... |
| 03:47.02 | brlcad | some insight, http://ask.metafilter.com/71246/What-the-Ã |
| 03:47.57 | brlcad | but yeah, better at the xsltproc phase probably, if there's a setting to output ISO 8859-1 instead of UTF-8 |
| 03:48.23 | pacman87 | brlcad: the infobox wiki template was me |
| 03:50.57 | andrecastelo | brlcad: here, http://rafb.net/p/hWwqDq60.html (i'll delete the comments i added, though) |
| 03:51.42 | brlcad | andrecastelo: does it work? :) |
| 03:52.34 | andrecastelo | yep, it does, but only for the presented areas |
| 03:56.06 | starseeker | brlcad: Looks like the way to do it is to correct the XSL stylesheet and use a custom one... |
| 03:57.21 | andrecastelo | also, can i take struct point_list to an include/ header?? i'll need it in viewmlt.c.. though it's not that big deal |
| 03:57.22 | starseeker | or perhaps I can fake it out with a fragment... |
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| 04:00.30 | brlcad | andrecastelo: possibly |
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| 04:11.59 | CIA-21 | BRL-CAD: 03brlcad * r31338 10/brlcad/trunk/include/bu.h: commentify cleanup the bu_list section |
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| 04:23.03 | starseeker | brlcad: Is bz somehow forcing things to be ISO 8859-1? I'm really confused that if I load the file locally in firefox it works and the same page on bz doesn't... |
| 04:27.41 | starseeker | growls at xsl and realizes setting this up isn't so simple... |
| 04:27.50 | starseeker | ok, bedtime... |
| 04:28.43 | brlcad | andrecastelo: it looks like there's already a linked list point structure, but it may be obsolete/unused |
| 04:29.15 | brlcad | er, never mind .. not unused |
| 04:37.48 | brlcad | andrecastelo: there's an rt_pt_node structure that's a simple forward linked list of point_t |
| 04:38.43 | brlcad | so it'd be interested to update that structure to use bu_list instead of it's custom implementation and see what kind of impact it'd make if any on performance |
| 04:38.55 | brlcad | s/interested/interesting/ |
| 04:39.56 | brlcad | otherwise .. both mlrt and rtarea are in the same location so your structure could be in a private header instead of something in include/ |
| 04:42.52 | andrecastelo | i see, i see.. the structure is in a header in include/ ? |
| 04:43.05 | brlcad | yeah |
| 04:43.23 | brlcad | it looks like it's basically a light-weight linked list for primitive construction |
| 04:43.48 | brlcad | from the look of the primitives, it might even predate the structure |
| 04:49.01 | andrecastelo | ok, i'll take a look in a while :D |
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| 09:19.38 | LeRuCh | 05 Afternoon people! |
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| 13:19.52 | brlcad | finds a handful of remaining hyp issues to resolve |
| 13:34.08 | brlcad | pacman87: woo hoo, looking great ... http://brlcad.org/tmp/hyp.png |
| 13:34.34 | brlcad | a few things I've noticed though .. it's really hard to line up the parameters with that c parameter |
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| 13:35.30 | brlcad | I'd really like to define the height and base ellipse and have those stick .. then the c parameter just be how much to pinch |
| 13:35.59 | brlcad | since the common case is likely going to be attaching it to rcc and tgc |
| 13:36.22 | brlcad | I had to do my own newtonian iterative search to find the right c to get this to line up: http://brlcad.org/tmp/hyp_pinch.png |
| 13:37.23 | brlcad | and I don't know how feasible it is, but it'd be really cool if it could be done without the discontinuity |
| 13:38.22 | brlcad | the other two things I noticed are that the center point should be the center of the base for consistency (see the tgc as an example), not the center of the primitve (l command should list top center point too (see tgc)) |
| 13:38.52 | brlcad | also, the uv mapping seems off on the scaling -- you can see here: http://brlcad.org/tmp/hyp_pinch_checker.png |
| 13:40.23 | brlcad | tgc has the right number of vertical sections for that scaling (10), hyp also seems to be starting from a different angle |
| 13:41.34 | brlcad | after that, that just leaves the make, mirror, and gui additions and I think it'll be done! .. very cool work :-) |
| 13:41.45 | brlcad | prepares an announcement |
| 13:41.53 | brlcad | also packs for his flight |
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| 16:42.11 | andrecastelo_ | good morning all |
| 16:42.18 | andrecastelo_ | have a good flight, brlcad :) |
| 16:43.27 | dtidrow | brlcad: where are you headed? |
| 17:43.43 | andrecastelo | brlcad: i've found rt_pt_node and the files that use it, so I will update everything to handle rt_pt_node with bu_lists |
| 17:49.18 | yukonbob | hello, cadheads |
| 17:49.50 | andrecastelo | hey hi yukonbob |
| 17:59.41 | andrecastelo | http://rafb.net/p/vif2oc76.html |
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| 19:00.55 | brlcad | andrecastelo: still in route |
| 19:01.14 | brlcad | dtidrow: was up in NY, now heading back to baltimore |
| 19:01.40 | brlcad | andrecastelo: when you do that -- set up some profile tests so you can compare before and after |
| 19:01.52 | brlcad | I don't suspect it'sll be any worse, but it's worth a simple sanity check |
| 19:02.25 | andrecastelo | i see.. i'm correcting a little bug here in rtarea and will commit it, is that a problem? |
| 19:03.16 | andrecastelo | the rt_pt_node update to bu_list will affect rpc.c, ehy.c, epa.c, eto.c and rhc.c, so i need to change those as well |
| 19:03.46 | andrecastelo | are those primitives? |
| 19:05.09 | brlcad | andrecastelo: fixing bugs is *never* a problem ;) |
| 19:05.21 | brlcad | those are all primitives you listed |
| 19:05.39 | andrecastelo | heheh, i mean commiting with the struct point_list, instead of rt_pt_node |
| 19:05.43 | pacman87 | brlcad: is it possible to have two (or more) ways to give parameters to a primitive? |
| 19:05.56 | pacman87 | ie, give the user the option of what data to input? |
| 19:05.58 | brlcad | right parabolic cylinder, elliptical hyperboloid, elliptical paraboloid, etc |
| 19:06.37 | brlcad | pacman87: not via the 'in' command |
| 19:07.17 | brlcad | it's pretty linear in letting the user specify parameters in one way consistently |
| 19:07.24 | pacman87 | andrecastelo: the *.c files you mentioned are |
| 19:08.14 | brlcad | the "make" command provides a different way to input data in a way, creates a default that fills the current view |
| 19:08.20 | andrecastelo | brlcad: i've taken a look at those files and the sections that use the structure, and made a few alterations, just a sec and i'll paste |
| 19:08.33 | brlcad | then you can provide whatever editing options on the edit menu |
| 19:09.11 | brlcad | that's the most common you'll find if there are other edit parameters (like increasing a length when length wasn't a creation parameter |
| 19:11.01 | brlcad | andrecastelo: if you test them to work, go ahead and commit the changes -- I can (and do) just as easily review the commit e-mails |
| 19:11.22 | andrecastelo | ok ok, i'll commit rtarea, it's ready |
| 19:11.24 | brlcad | if there's a problem, I'd ask you to revert .. that's where small commits helps for reviewing |
| 19:11.44 | brlcad | rtarea amounts to trying some test cases |
| 19:11.48 | pacman87 | here's the changes i think you want, correct me if i missed anything: |
| 19:11.48 | pacman87 | move vertex to center of bottom; change height to measure base to base; ellipse axes specify base dimensions; scale factor determines pinch |
| 19:11.50 | brlcad | boards his flight, waves |
| 19:12.13 | poolio | brlcad: have a good flight :) |
| 19:12.20 | poolio | it's super hot here, don't die :( |
| 19:13.47 | andrecastelo | hehe |
| 19:13.54 | andrecastelo | have a good flight, cya later |
| 19:15.38 | CIA-21 | BRL-CAD: 03andrecastelo * r31339 10/brlcad/trunk/src/rt/viewarea.c: |
| 19:15.38 | CIA-21 | BRL-CAD: Added calculation of the presented area center. Added structure point_list, a |
| 19:15.38 | CIA-21 | BRL-CAD: bu_list that holds points, and struct area got two lists - exp_points and |
| 19:15.38 | CIA-21 | BRL-CAD: hit_points. The calculation of the center point is the same for both, but the |
| 19:15.38 | CIA-21 | BRL-CAD: gathering of the points is different and this commit takes care of the |
| 19:15.41 | CIA-21 | BRL-CAD: hit_points assembling. |
| 19:17.29 | CIA-21 | BRL-CAD: 03andrecastelo * r31340 10/brlcad/trunk/src/rt/viewarea.c: Added more comments in the area_center() function, as it was a bit unclear as what the for() was doing. |
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| 22:09.34 | yukonbob | . |
| 23:35.27 | yukonbob | build error for interested people: http://www.pastebin.ca/1041645 |
| 23:35.51 | yukonbob | ^--- bu_bomb issues w/ latest svn |
